Doctor profile · Federal record

Dr. Casey Erelli, PA-C

Physician Assistant · Amherst, MA

  • NPI 1700409893
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
170 University Dr
Amherst, MA 010022247
(413) 461-3530
fax (413) 461-3532
Additional location
369 South St.
Pittsfield, MA 012010120
(413) 443-4826
fax (413) 443-4488
Mailing address
22 Nagler Cross RD
Huntington, MA 010509624

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
November 1, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700409893. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,752
Distinct HCPCS
10
Medicare allowed
$26,462
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 923 21 $4
95117 Professional service for multiple injections of allergen 337 134 $10
95024 Test for allergy using allergenic extract injected into skin 134 16 $7
95115 Professional service for single injection of allergen 107 47 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 77 74 $110
94010 Test to measure expiratory airflow and volume 56 29 $14
99213 Established patient office or other outpatient visit, 20-29 minutes 47 47 $79
96372 Injection of drug or substance under skin or into muscle 35 13 $12
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $144
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $97

In context: peer comparison

Among 3 peers in Amherst Physician Assistant, average services per provider: 178. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,060
Transactions
114
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 21 $487.47
GlaxoSmithKline, LLC. 25 $400.44
Regeneron Healthcare Solutions, INC. 15 $329.90
Novartis Pharmaceuticals Corporation 24 $225.41
Genzyme Corporation 6 $178.29
Amgen INC. 11 $148.23
Pfizer INC. 4 $86.36
Leo Pharma INC. 3 $70.94
Blueprint Medicines Corporation 1 $36.66
Grifols USA, LLC 1 $27.22
BioCryst US Sales Co., LLC 1 $25.34
Lilly USA, LLC 1 $24.99
Pharming Healthcare, INC. 1 $18.95

By nature of payment

Food and Beverage
$2,002
Education
$58

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
287
Patients
126
Total drug cost
$44,972
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 37 29 $1,131
Montelukast Sodium Generic 36 11 $387
Levocetirizine Dihydrochloride Generic 34 12 $1,234
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 34 0 $24,106
Fluticasone Propionate Generic 33 17 $697
Azelastine Hcl Generic 28 13 $777
Epinephrine Generic 22 21 $4,899
Breo Ellipta (Fluticasone/Vilanterol) Brand 15 0 $11,193
Triamcinolone Acetonide Generic 14 0 $192
Prednisone Generic 12 12 $26

Frequently asked questions

Auto-generated from federal data
What is Dr. Casey Erelli's medical specialty?
Dr. Casey Erelli practices Physician Assistant in Amherst, MA.
Where does Dr. Casey Erelli practice?
Dr. Casey Erelli practices at 170 University Dr, Amherst, MA 010022247. Office phone: 4134613530.
What is Dr. Casey Erelli's NPI?
Dr. Casey Erelli's National Provider Identifier (NPI) is 1700409893, issued by NPPES.
Does Dr. Casey Erelli accept Medicare assignment?
Yes. Dr. Casey Erelli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Casey Erelli commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for multiple injections of allergen (HCPCS 95117); Test for allergy using allergenic extract injected into skin (HCPCS 95024). Source: CMS Medicare Physician & Other Practitioners file.